:root {
  --bg-0: #0b0f0c;
  --bg-1: #111714;
  --bg-2: #161f1a;
  --line: #27322c;
  --line-strong: #334238;
  --text-0: #e6f1ea;
  --text-1: #b7c8bc;
  --text-2: #8ea395;
  --accent: #4ade80;
  --accent-strong: #86efac;
  --accent-soft: rgba(74, 222, 128, 0.14);
  --focus-ring: rgba(74, 222, 128, 0.35);
  --safe: #4ade80;
  --danger: #fb7185;
  --warn: #fbbf24;
  --info: #60a5fa;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --shadow: 0 14px 32px rgba(0, 0, 0, 0.32);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background: var(--bg-0);
  color: var(--text-0);
  font-family: "JetBrains Mono", "Inter", monospace;
  line-height: 1.5;
}

a {
  color: var(--accent-strong);
}

h1,
h2,
h3 {
  margin: 0 0 0.65rem;
  line-height: 1.25;
  font-weight: 700;
}

h1 {
  font-size: clamp(1.65rem, 3vw, 2.25rem);
}

h2 {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

h3 {
  font-size: 1rem;
}

p {
  margin: 0;
}

code {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.92em;
  background: rgba(255, 255, 255, 0.04);
  padding: 0.08rem 0.32rem;
  border-radius: 6px;
}

.topbar,
.layout-shell,
.site-footer {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
}

.topbar {
  margin-top: 1rem;
}

.topbar-inner {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-1);
  box-shadow: var(--shadow);
  padding: 0.75rem 0.9rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}

.brand {
  color: var(--text-0);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.main-nav a {
  color: var(--text-1);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.32rem 0.62rem;
  font-size: 0.88rem;
  transition: background 120ms ease, border-color 120ms ease, color 120ms ease;
}

.main-nav a:hover {
  color: var(--text-0);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.03);
}

.main-nav a.is-active {
  color: #062a13;
  background: var(--accent);
  border-color: transparent;
}

.layout-shell {
  display: grid;
  gap: 0.95rem;
  margin-top: 0.95rem;
  padding-bottom: 2rem;
}

.layout-shell > * {
  min-width: 0;
}

.messages {
  display: grid;
  gap: 0.55rem;
}

.message {
  padding: 0.65rem 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--bg-1);
}

.message.success {
  border-color: rgba(74, 222, 128, 0.45);
  background: rgba(74, 222, 128, 0.1);
}

.message.error {
  border-color: rgba(251, 113, 133, 0.45);
  background: rgba(251, 113, 133, 0.1);
}

.message.info,
.message.warning {
  border-color: rgba(251, 191, 36, 0.45);
  background: rgba(251, 191, 36, 0.1);
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-1);
  box-shadow: var(--shadow);
  padding: 1rem;
  display: grid;
  gap: 0.75rem;
}

.eyebrow {
  margin: 0;
  color: var(--accent-strong);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-size: 0.72rem;
  font-weight: 700;
}

.muted {
  color: var(--text-2);
}

.tiny {
  font-size: 0.78rem;
}

.hero {
  gap: 0.85rem;
}

.hero-copy {
  max-width: 66ch;
}

.landing-top-grid {
  display: grid;
  gap: 0.95rem;
  grid-template-columns: 1.5fr 1fr;
}

.landing-hero-main {
  border-color: var(--line-strong);
  background:
    radial-gradient(circle at top right, rgba(74, 222, 128, 0.12), transparent 46%),
    radial-gradient(circle at 10% 0%, rgba(96, 165, 250, 0.12), transparent 34%),
    var(--bg-1);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.hero-action-form {
  margin: 0;
}

.threat-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.threat-chip {
  border: 1px solid rgba(251, 191, 36, 0.45);
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
  font-size: 0.72rem;
  color: #ffd27a;
  background: rgba(251, 191, 36, 0.12);
}

.game-how-preview {
  align-content: start;
  border-color: rgba(74, 222, 128, 0.38);
  background:
    radial-gradient(circle at top left, rgba(74, 222, 128, 0.1), transparent 44%),
    var(--bg-1);
}

.meta-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.meta-pill {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0.18rem 0.52rem;
  font-size: 0.72rem;
  color: var(--text-1);
  background: rgba(255, 255, 255, 0.03);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  text-decoration: none;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--bg-2);
  color: var(--text-0);
  padding: 0.62rem 0.92rem;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  min-height: 40px;
  transition: border-color 120ms ease, background 120ms ease, color 120ms ease;
}

.btn:hover {
  border-color: var(--line-strong);
}

.btn-primary {
  color: #072912;
  border-color: transparent;
  background: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-strong);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.02);
}

.btn-link {
  border-color: transparent;
  background: transparent;
  color: var(--accent-strong);
}

.btn-safe,
.btn-malicious {
  min-height: 68px;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
}

.btn-safe {
  background: rgba(74, 222, 128, 0.14);
  border-color: rgba(74, 222, 128, 0.45);
  color: #c9f8da;
}

.btn-malicious {
  background: rgba(251, 113, 133, 0.14);
  border-color: rgba(251, 113, 133, 0.45);
  color: #ffd4dc;
}

.btn-safe span,
.btn-malicious span {
  font-size: 0.75rem;
  font-weight: 600;
  opacity: 0.88;
}

.btn:focus-visible,
button:focus-visible,
input:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.grid-2 {
  display: grid;
  gap: 0.95rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.landing-secondary {
  align-items: start;
}

.landing-mid-grid {
  align-items: start;
}

.incidents-panel {
  border-color: rgba(96, 165, 250, 0.35);
  background:
    radial-gradient(circle at 88% 12%, rgba(96, 165, 250, 0.1), transparent 36%),
    var(--bg-1);
}

.incident-list {
  margin: 0;
  padding-left: 1.05rem;
  display: grid;
  gap: 0.55rem;
  color: var(--text-1);
}

.incident-list strong {
  color: var(--text-0);
}

.simple-list {
  margin: 0;
  padding-left: 1.05rem;
  display: grid;
  gap: 0.45rem;
  color: var(--text-1);
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
}

.stat-block {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-2);
  padding: 0.65rem;
  display: grid;
  gap: 0.2rem;
}

.stat-block strong {
  color: var(--accent-strong);
  font-size: 1.1rem;
}

.stat-block span {
  font-size: 0.78rem;
  color: var(--text-2);
}

.score-list {
  display: grid;
  gap: 0.4rem;
}

.score-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-2);
  padding: 0.52rem 0.65rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.45rem;
  align-items: center;
}

.score-rank {
  color: var(--accent-strong);
  font-weight: 700;
}

.score-handle {
  color: var(--text-1);
}

.score-value {
  color: var(--accent-strong);
  font-weight: 700;
}

.centered {
  max-width: 720px;
  margin: 0 auto;
}

.stack-md {
  display: grid;
  gap: 0.6rem;
}

.game-shell {
  gap: 0.85rem;
}

.game-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.score-box {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-2);
  min-width: 190px;
}

.score-box p {
  margin: 0;
  padding: 0.42rem 0.62rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--line);
  font-size: 0.86rem;
}

.score-box p:last-child {
  border-bottom: none;
}

.score-box span {
  color: var(--text-2);
}

.score-box strong {
  color: var(--accent-strong);
}

.status-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.status-chip {
  border-radius: 999px;
  border: 1px solid var(--line);
  padding: 0.22rem 0.58rem;
  font-size: 0.72rem;
}

.status-chip.neutral {
  color: var(--text-1);
}

.status-chip.warning {
  color: #ffd27a;
  border-color: rgba(251, 191, 36, 0.45);
}

.timer-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-2);
  padding: 0.55rem;
  display: grid;
  gap: 0.4rem;
}

.timer-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.84rem;
}

.timer-meta strong {
  color: var(--accent-strong);
}

.timer-track {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.timer-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  transition: width 80ms linear;
}

.timer-wrap.danger .timer-fill {
  background: linear-gradient(90deg, #fb7185, #f43f5e);
}

.timer-wrap.danger {
  border-color: rgba(251, 113, 133, 0.55);
  animation: dangerPulse 0.9s ease-in-out infinite alternate;
}

@keyframes dangerPulse {
  from {
    box-shadow: inset 0 0 0 rgba(251, 113, 133, 0);
  }
  to {
    box-shadow: inset 0 0 0 1px rgba(251, 113, 133, 0.2);
  }
}

.code-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #0b110d;
}

.code-head {
  border-bottom: 1px solid var(--line);
  background: #121b16;
  color: var(--text-1);
  padding: 0.5rem 0.75rem;
  font-size: 0.82rem;
}

.code-body {
  margin: 0;
  padding: 0.7rem 0;
  overflow-x: auto;
}

.code-body code {
  background: transparent;
  padding: 0;
}

.code-line {
  display: grid;
  grid-template-columns: 3.4rem 1fr;
  gap: 0.5rem;
  padding: 0.05rem 0.75rem;
}

.line-no {
  color: #6f8777;
  text-align: right;
  user-select: none;
}

.code-line-text {
  white-space: pre;
  color: var(--text-0);
}

.danger-line {
  background: rgba(251, 113, 133, 0.14);
}

.answer-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}

.result-banner {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-2);
  padding: 0.8rem;
  display: grid;
  gap: 0.4rem;
}

.result-banner.correct {
  border-color: rgba(74, 222, 128, 0.5);
}

.result-banner.wrong {
  border-color: rgba(251, 113, 133, 0.5);
}

.inner {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  padding: 0.75rem;
}

.inline-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.inline-form input {
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--bg-2);
  color: var(--text-0);
  padding: 0.6rem 0.72rem;
  min-width: 220px;
  font: inherit;
}

.table-wrap {
  overflow-x: auto;
}

.report-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

.report-table th,
.report-table td {
  border-bottom: 1px solid var(--line);
  padding: 0.58rem 0.45rem;
  text-align: left;
  vertical-align: top;
  font-size: 0.86rem;
}

.report-table th {
  color: var(--text-1);
  font-weight: 700;
}

.report-table details {
  padding: 0.3rem 0;
}

.report-table summary {
  cursor: pointer;
  color: var(--accent-strong);
}

.playbook-grid {
  display: grid;
  gap: 0.95rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.exploit-card {
  align-content: start;
}

.exploit-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.55rem;
}

.tagline {
  margin: 0;
  color: var(--text-2);
  font-size: 0.78rem;
}

.severity {
  border-radius: 999px;
  padding: 0.18rem 0.54rem;
  font-size: 0.7rem;
  border: 1px solid var(--line-strong);
}

.severity.medium {
  color: #ffe0a2;
  border-color: rgba(251, 191, 36, 0.55);
}

.severity.high {
  color: #ffd4dc;
  border-color: rgba(251, 113, 133, 0.55);
}

.severity.critical {
  color: #ffe4e7;
  border-color: rgba(244, 63, 94, 0.72);
  background: rgba(244, 63, 94, 0.14);
}

.playbook-detail-layout {
  display: grid;
  gap: 0.95rem;
  grid-template-columns: 1fr;
  min-width: 0;
}

.detail-main {
  align-content: start;
  min-width: 0;
}

.detail-section {
  border-top: 1px solid var(--line);
  padding-top: 0.75rem;
  min-width: 0;
}

.detail-section:first-child {
  border-top: none;
  padding-top: 0;
}

.detail-section ol,
.detail-section ul {
  margin: 0;
  padding-left: 1.05rem;
  display: grid;
  gap: 0.42rem;
  color: var(--text-1);
}

.checklist li {
  list-style: none;
  position: relative;
  padding-left: 1rem;
}

.checklist li::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  position: absolute;
  left: 0;
  top: 0.5em;
  transform: translateY(-50%);
}

.checklist.red li::before {
  background: var(--danger);
}

.checklist.amber li::before {
  background: var(--warn);
}

.checklist.green li::before {
  background: var(--safe);
}

.playbook-code {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #0b110d;
  color: #d8ece0;
  padding: 0.65rem;
  overflow-x: auto;
  max-width: 100%;
}

.quick-focus {
  margin: 0;
  padding-left: 1rem;
  display: grid;
  gap: 0.45rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  margin-bottom: 1rem;
  padding-top: 0.7rem;
  color: var(--text-2);
  font-size: 0.78rem;
}

@media (max-width: 900px) {
  .landing-top-grid,
  .grid-2,
  .playbook-grid,
  .playbook-detail-layout,
  .answer-form {
    grid-template-columns: 1fr;
  }

  .game-top {
    flex-direction: column;
  }

  .score-box {
    width: 100%;
    min-width: 0;
  }

  .stat-row {
    grid-template-columns: 1fr;
  }

  .topbar,
  .layout-shell,
  .site-footer {
    width: calc(100% - 1rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}